HORSESHOEING. 137 



the frog and buttresses. The thickness of the shoe should 

 equal two-thirds the thickness of the pad, so that when fitted 

 one-third of the thickness of the pad shall project below the 

 ground-surface of the shoe. The 'shoe should be provided with 

 a strong toe-clip. With the heavy, thick pad of a draft-horse a 

 low toe-calk may be used, but heel calks should never be put 

 on a short shoe. Pads are seldom necessary on the hind feet. 



